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1 Comment Already

mygif
Yagami-Lighto Said,
February 2nd, 2011 @2:24 am  

using distance formula:
sqrt[ (y1 - y2)^2 + (x1 - x2)^2 ]
sqrt [(-7 + 4) + (-3 + 2)] = sqrt [ (9) + (1)] = sqrt [10]

hope this helps :)

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